256800485 has 8 divisors (see below), whose sum is σ = 324379680. Its totient is φ = 194627664.

The previous prime is 256800443. The next prime is 256800493. The reversal of 256800485 is 584008652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 256800485 - 2⁶ = 256800421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351487 + ... + 1351676.

It is an arithmetic number, because the mean of its divisors is an integer number (40547460).

Almost surely, 2^256800485 is an apocalyptic number.

It is an amenable number.

256800485 is a deficient number, since it is larger than the sum of its proper divisors (67579195).

256800485 is a wasteful number, since it uses less digits than its factorization.

256800485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703187.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 256800485 is about 16024.9956318247. The cubic root of 256800485 is about 635.6215502604.

The spelling of 256800485 in words is "two hundred fifty-six million, eight hundred thousand, four hundred eighty-five".